r8152: remove rtl_phy_reset function

In rtl_hw_phy_work_func_t(), the flag of PHY_RESET is set in
rtl_ops.hw_phy_cfg() and cleared in rtl8152_set_speed(). Therefore,
the rtl_phy_reset() is never run and is unnecessary.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 24 deletions

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index b225bc27fbe2..e005ee648efe 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2450,27 +2450,6 @@ static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
         }
 }
 
-static void rtl_phy_reset(struct r8152 *tp)
-{
-        u16 data;
-        int i;
-
-        data = r8152_mdio_read(tp, MII_BMCR);
-
-        /* don't reset again before the previous one complete */
-        if (data & BMCR_RESET)
-                return;
-
-        data |= BMCR_RESET;
-        r8152_mdio_write(tp, MII_BMCR, data);
-
-        for (i = 0; i < 50; i++) {
-                msleep(20);
-                if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
-                        break;
-        }
-}
-
 static void r8153_teredo_off(struct r8152 *tp)
 {
         u32 ocp_data;
@@ -3069,9 +3048,6 @@ static void rtl_work_func_t(struct work_struct *work)
             netif_carrier_ok(tp->netdev))
                 napi_schedule(&tp->napi);
 
-        if (test_and_clear_bit(PHY_RESET, &tp->flags))
-                rtl_phy_reset(tp);
-
         mutex_unlock(&tp->control);
 
 out1: